628798545

素因数分解:

$3^4\times 5^1\times {\mathrm{1552589}}^1$

素因数の和:1552606

約数の個数: 20

約数和(自身を含む): 1127180340

約数和(自身を除く): 498381795

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1552589, 4657767, 7762945, 13973301, 23288835, 41919903, 69866505, 125759709, 209599515, 628798545]

約数ペア:

[(1, 628798545), (3, 209599515), (5, 125759709), (9, 69866505), (15, 41919903), (27, 23288835), (45, 13973301), (81, 7762945), (135, 4657767), (405, 1552589)]